Hollidaysburg Police Sergeant David Gehret and a Blair County Sheriffs Deputy keep people away from one of the crime scenes along Route 22 near the entrance to Canoe Creek State Park, in Blair County

 
Hollidaysburg Police Sergeant David Gehret and a Blair County Sheriffs Deputy keep people away from one of the crime scenes along Route 22 near the entrance to Canoe Creek State Park, in Blair County
Hollidaysburg Police Sergeant David Gehret (L) and a Blair County Sheriffs Deputy keep people away from one of the crime scenes along Route 22 near the entrance to Canoe Creek State Park, in Blair County, Pennsylvania, December 21, 2012. Four people died on a Pennsylvania highway on Friday when a gunman shot dead three people and later was killed in a shootout with police, authorities said. Three state troopers were injured in the incident in Frankstown Township, about 100 miles east of Pittsburgh. REUTERS/Altoona Mirror/J.D. Cavrich